Cap for writing instrument



FIG. 1 is a front view of a cap for writing instrument according to thepresent invention, the rear side view being a mirror image of the frontside view;

FIG. 2 is a left side view of the cap for writing instrument of FIG. 1,

FIG. 3 is a right side view of the cap for writing instrument of FIG. 1;

FIG. 4 is a top plan view of the cap for writing instrument of FIG. 1;and,

FIG. 5 is a bottom plan view of the cap for writing instrument of FIG.1.

The ornamental design for a cap for writing instrument, as shown anddescribed.